Massive Antarctic lakes discovered *
Found: Tibet's missing anchor *
Ocean budget surges *
Two continents, one conclusion *
Ice twists under pressure *
IAEA updates radiation warning symbol *
Ocean waves drive Earth's hum *
Rainfall affected by climate change *
Ancient glaciers melting quickly
Ancient caldera hints at Cascades’ power
Bubbling methane makes Arctic seafloor hilly
18 ENERGY & RESOURCES
Mineral Resource of the Month: Thallium
7 A COMMENT ON...
Education: Why Do I Have to Learn Geometry?
Math and science are critical subjects for students to learn at a young age. Congress is considering a host of new initiatives to help bolster math and science education.
Congressman Vernon J. Ehlers
60 GEOLOGIC COLUMN
When broken down on a per capita basis, it’s much easier to understand where our individual tax dollars are going. This April, some people may be suffering taxpayers’ regret.
4 FROM THE EDITOR
6 LETTERS: Perspectives
20 WHERE ON EARTH?
44 TRENDS & INNOVATIONS
Singing Songs of Volcanoes
Researchers are exploring the power of sound, recording the seismic rumblings of active volcanoes and making music out of the garbled recordings.
Movies: Flock of Dodos: Evolution going the way of the dodo?
Books: Charles F. Richter: The man behind the magnitude scale: A review of Richter’s Scale: Measure of an Earthquake, Measure of a Man
On the Web: Photographer captures life through time
52 CLASSIFIEDS: Career
Wallace Broecker: Changes in the atmosphere
59 GEOLOGIC HISTORY
April 22, 1970: Earth Day Is Celebrated
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